/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "dh11.h"
#include "oled.h"
#include "adc.h"
#include "bluetooth.h"
#include <stdio.h>                      //sprintf函数头文件
#include <string.h>                     //strlen函数头文件
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */
  uint8_t humidity_int, humidity_decimal;
  uint8_t temperature_int, temperature_decimal;
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM3_Init();
  MX_ADC1_Init();
  MX_ADC2_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
  OLED_Init();			//初始化OLED
  OLED_Clear(0);

  DHT11_Rst();

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */

	  //DH11部分
	  // 温湿度固定标题
	  OLED_ShowCHinese(0,0,0);
	  OLED_ShowCHinese(16,0,2);
	  OLED_ShowString(32,0,(uint8_t *)":",16);

	  OLED_ShowCHinese(0,2,1);
	  OLED_ShowCHinese(16,2,2);
	  OLED_ShowString(32,2,(uint8_t *)":",16);
	    // 动态显示温湿度数值
	  if (DHT11_Read_Data(&humidity_int, &humidity_decimal,
	                      &temperature_int, &temperature_decimal) == 0) {
	      // 读取成功，显示带小数部分的温湿度
	      char disp_buf[20];

	      // 显示湿度 (格式: 整数.小数%)
	      sprintf(disp_buf, "%d.%d%%", humidity_int, humidity_decimal);
	      OLED_ShowString(40, 2, (uint8_t*)disp_buf, 16);

	      // 显示温度 (格式: 整数.小数°C)
	      sprintf(disp_buf, "%d.%dC", temperature_int, temperature_decimal);
	      OLED_ShowString(40, 0, (uint8_t*)disp_buf, 16);}
	  else {
	      // 读取失败处理
	      //OLED_ShowString(40, 0, (uint8_t*)"Error", 16);
	        }
	  //雨滴传感器部分
	  // 读取雨滴传感器模拟值
	    uint16_t adc_value = Read_Raindrop_ADC();
	    // 读取雨滴传感器数字输出
	    GPIO_PinState do_state = HAL_GPIO_ReadPin(RAINDROP_DO_PORT, RAINDROP_DO_PIN);
	    // 计算电压值 (5.0V参考电压)
	    float voltage0 =(adc_value * 3.3) / 4096;
	    float voltage = 5.0 * (3.23 - voltage0) / (3.23-1.04);
	    if (voltage < 0.0) voltage = 0.0;
	    if (voltage > 5.0) voltage = 5.0;
	    // 在OLED上显示雨滴传感器数据
	    char disp_buf1[20];
	    // 显示雨量值
		OLED_ShowCHinese(0,4,5);
		OLED_ShowCHinese(16,4,6);
	    sprintf(disp_buf1, ":%.2fcm", voltage);
	    OLED_ShowString(32, 4, (uint8_t*)disp_buf1, 16);
	    // 显示数字输出状态
	    if(do_state == GPIO_PIN_RESET) {
		  OLED_ShowCHinese(94,4,3);    //GPIO_PIN_RESET引脚电平为低（0）DO输出为低电平，开关指示灯亮，有雨
		  OLED_ShowCHinese(110,4,5);
	    } else {
			OLED_ShowCHinese(94,4,4);
			OLED_ShowCHinese(110,4,5);
	    }
	    //风速传感器部分
	    uint16_t adc_value2 = Read_Windspeed_ADC();
	    float voltage2 = (adc_value2 * 3.3) / 4096 * 27 ;
	    char disp_buf2[20];
	    // 显示风速
	    OLED_ShowCHinese(0,6,7);
	    OLED_ShowCHinese(16,6,8);
	    sprintf(disp_buf2, ":%.2fm/s", voltage2);
	    OLED_ShowString(32, 6, (uint8_t*)disp_buf2, 16);
	    //蓝牙输出模块（包含温度、湿度、雨量、风速、是否有雨）
	    char uart_buf[64];
	    int buf_len = 0;
	    // 添加帧头（用于数据同步）
	    const char frame_header[] = "zjt";
	    buf_len = sprintf(uart_buf, "%s,", frame_header);
	    // 添加温度数据（格式：整数.小数）
	    buf_len += sprintf(uart_buf + buf_len, "%d.%d,", temperature_int, temperature_decimal);
	    // 添加湿度数据
	    buf_len += sprintf(uart_buf + buf_len, "%d.%d,", humidity_int, humidity_decimal);
	    // 添加雨量数据（电压值）
	    buf_len += sprintf(uart_buf + buf_len, "%.2f,", voltage);
	    // 添加风速数据
	    buf_len += sprintf(uart_buf + buf_len, "%.2f,", voltage2);
	    // 添加是否有雨数据（0=有雨，1=无雨）
	    uint8_t rain_status = (do_state == GPIO_PIN_RESET) ? 0 : 1;
	    buf_len += sprintf(uart_buf + buf_len, "%d", rain_status);
	    // 添加帧尾（换行符）
	    buf_len += sprintf(uart_buf + buf_len, "\r\n");
	    // 通过USART1发送数据
	    HAL_UART_Transmit(&huart1, (uint8_t*)uart_buf, buf_len, HAL_MAX_DELAY);
	    HAL_Delay(500);//每0.5秒更新一次
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
/*
 *TIM3定时器实现us级延时
 */
void Delay_us(uint16_t delay)
{
	__HAL_TIM_DISABLE(&htim3);
	__HAL_TIM_SET_COUNTER(&htim3,0);
	__HAL_TIM_ENABLE(&htim3);
	uint16_t curCnt=0;
	while(1)
	{
		curCnt=__HAL_TIM_GET_COUNTER(&htim3);
		if(curCnt>=delay)
			break;
	}
	__HAL_TIM_DISABLE(&htim3);
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
